<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="x-ua-compatible" content="IE-edge">
    <meta name="viewport" content="width=device-width0,initial-scale=1">
    <title>this is first bootstarp tag</title>
    <link href="ttps://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.bootcss.com/html5shiv/3.7.3/html5shiv.min.js"></script>
<script src="https://cdn.bootcss.com/respond.js/1.4.2/respond.min.js"></script>
</head>
<body>
<div class="container">
    <p><a href="" />你好！！ </p>
</div>
<script src="http://cdn.bootcss.com/jquery/1.11.3/jquery.min.js"></script>
<script src="http://cdn.bootcss.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
</body>
</html>